Arizona Republican Sen. Jeff Flake posted a picture of of himself on the eve of Election Day in Zimbabwe. (Courtesy Sen. Jeff Flake via Twitter)

Sen. Jeff Flake’s work this week as an international observer in Zimbabwe’s historic election is part of a life-long connection to southern Africa.

The Arizona Republican served his Mormon mission in Zimbabwe and South Africa and later returned to the region as a professional, as executive director of Foundation for Democracy, which kept tabs on Namibia’s transition to democracy.

World leaders are leery of a potential Donald Trump presidency because they are worried he possesses an “ignorance” about world affairs, President Barack Obama said Thursday.

"They're rattled by him and for good reason," Obama said in Japan during a G-7 summit. "Because a lot of the proposals that he's made display either ignorance of world affairs or a cavalier attitude or an interest in getting tweets and headlines instead of actually thinking through what is required to keep America safe."